CN215069382U

CN215069382U - Flame-retardant high-temperature-resistant cable

Info

Publication number: CN215069382U
Application number: CN202120891214.8U
Authority: CN
Inventors: 苏承志; 苏承裕
Original assignee: Guangxi Guiyou Electric Technology Co ltd
Current assignee: Guangxi Guiyou Electric Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-07
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to the technical field of cables, in particular to a flame-retardant high-temperature-resistant cable, which comprises a copper core, an insulating skin, a fixing ring and an elastic reinforcing strip, wherein the insulating skin is wrapped outside the copper core, the fixing ring is slidably connected outside the insulating skin, the elastic reinforcing strip is fixedly connected at the center of the front end of the fixing ring, and the flame-retardant layer is fixedly connected outside the fixing ring through a connecting rod, in the utility model, through the arranged heat-resistant layer, the flame-retardant layer, the heat-conducting rod, the wrapping layer, the heat-radiating holes and the filter screen, the flame-retardant layer can effectively prevent the cable from catching fire caused by overlarge current inside the cable, meanwhile, the heat-conducting rod absorbs and conveys the heat of the flame-retardant layer into the heat-resistant layer, the heat-resistant layer discharges the heat through the heat-radiating holes arranged on the wrapping layer, and the filter screen can prevent underground dust, earth and impurities from entering the heat-radiating holes to block up and lead the heat not to be discharged, the wrapping layer is melted, the flame-retardant and high-temperature-resistant effects are effectively achieved, and the cable is prevented from catching fire.

Description

Flame-retardant high-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a fire-retardant high temperature resistant cable.

Background

The cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables consist of single-strand or multi-strand wires and insulating layers and are used for connecting a circuit, an electric appliance and the like; the cable can be divided into a direct current cable and an alternating current cable according to a system of a photovoltaic power station; traditional cable fire resistance is poor, can often result in the cable to catch fire because of too big and the ageing problem of circuit of power consumption electric current, and the inside copper core of traditional cable is difficult for recovering after buckling moreover, and long-time the loss can reduce the life of cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant high temperature resistance cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fire-retardant high temperature resistant cable, includes copper core, insulating skin, solid fixed ring and elasticity enhancement strip, copper core outside parcel has insulating skin, the outside sliding connection of insulating skin has solid fixed ring, gu fixed ring front end central department fixed connection elasticity enhancement strip, gu the fixed ring outside is through the fire-retardant layer of connecting rod fixedly connected with, fire-retardant layer outside fixedly connected with heat-resistant layer, evenly distributed has the heat conduction stick in the heat-resistant layer, and heat conduction stick and fire-retardant layer sliding connection, heat-resistant layer outside fixedly connected with parcel layer.

Preferably, the plurality of cables composed of the copper core and the insulating sheath are annularly arranged in the flame-retardant layer through the fixing ring.

Preferably, the diameter of the circular ring on the fixing ring is equal to that of the insulating sheath.

Preferably, the heat dissipation holes are evenly formed in the wrapping layer, filter screens are fixedly connected into the heat dissipation holes, and the filter screens are in sliding connection with the heat-resistant layer.

Preferably, the elastic reinforcing strip is made of a sheet material made of a TPE material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the heat-resistant layer that sets up, fire-retardant layer, the heat conduction stick, the parcel layer, louvre and filter screen, fire-retardant layer can prevent effectively that the cable that cable internal current too big leads to catches fire, the heat conduction stick carries the heat absorption of fire-retardant layer to the heat-resistant layer in simultaneously, the heat-resistant layer discharges the heat through the louvre of seting up on the parcel layer, the filter screen can prevent that underground dust, earth and impurity from getting into the louvre, make the louvre block up, lead to the heat can't be discharged, make the parcel layer melt, has played fire-retardant high temperature resistant effect effectively, prevent that the cable from catching fire;

2. the utility model discloses in, strengthen strip and solid fixed ring through copper core, insulating skin, elasticity that set up, arrange the cable conductor in the ring on solid fixed ring, insulating skin passes the ring, and the elasticity of solid fixed ring central authorities department is strengthened the strip when the cable is buckled, and the elasticity is strengthened the strip and is made the copper core in the insulating skin resume through solid fixed ring, and gu fixed ring can prevent that stranded cable conductor winding from taking place in the condition together simultaneously, makes the cable have resistant effect of buckling, has improved life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic view of the mounting structure of the fixing ring of the present invention.

In the figure: 1-copper core, 2-insulating skin, 3-fixing ring, 4-elastic reinforcing strip, 5-flame retardant layer, 6-heat-resistant layer, 7-heat conducting rod, 8-wrapping layer, 9-heat dissipation hole and 10-filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a fire-retardant high temperature resistant cable, includes copper core 1, insulating skin 2, solid fixed ring 3 and

elasticity enhancement strip

4, 1 outside parcel of copper core has insulating

skin

2, 2 outside sliding connection of insulating skin have solid fixed ring 3, gu fixed ring front end central authorities department's fixed connection elasticity enhancement strip 4, gu fixed ring 3 outside is through the fire-retardant layer 5 of connecting rod fixedly connected with, 5 outside fixedly connected with heat-resistant layer 6 on fire-retardant layer, evenly distributed has heat conduction stick 7 in the heat-resistant layer 6, and

heat conduction stick

7 and 5 sliding connection on fire-retardant layer, 6 outside fixedly connected with parcel layers 8 on heat-resistant layer.

A plurality of cables consisting of the copper core 1 and the insulating sheath 2 are annularly arranged in the flame-retardant layer 5 through the fixing ring 3, so that the plurality of cables are prevented from being entangled; the diameter of the circular ring on the fixing ring 3 is equal to that of the insulating sheath 2, so that a cable can conveniently pass through the circular ring on the fixing ring 3; heat dissipation holes 9 are uniformly formed in the wrapping layer 8, a filter screen 10 is fixedly connected in each heat dissipation hole 9, the filter screen 10 is connected with the heat-resistant layer 6 in a sliding mode, heat absorbed by the heat conduction rod 7 is dissipated, and meanwhile underground dust and impurities are prevented from entering; the elastic reinforcing strips 4 are made of TPE (thermoplastic elastomer) plates, so that the cable has better recovery property after being bent.

The working process is as follows: when the cable is installed, arrange the cable conductor in the ring on solid fixed ring 3, insulating skin 2 passes the ring, gu the elasticity reinforcing bar 4 of 3 central authorities of fixed ring when the cable is buckled, elasticity reinforcing bar 4 makes copper core 1 in the insulating skin 2 resume through solid fixed ring 3, gu fixed ring 3 can prevent that stranded cable conductor winding from taking place together simultaneously, it is more orderly to make the cable inside, fire-retardant layer 3 can prevent effectively that the cable that the too big electric current of cable internal current leads to catches fire, heat conduction rod 7 absorbs the heat of fire-retardant layer 5 simultaneously and carries to in heat-resistant layer 6, heat-resistant layer 6 discharges the heat through louvre 9 of seting up on parcel layer 8, filter screen 10 can prevent underground dust, earth and impurity get into the louvre, lead to the unable discharge of heat, make the parcel layer melt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-retardant high temperature resistance cable, includes copper core (1), insulating skin (2), solid fixed ring (3) and elasticity reinforcing bar (4), its characterized in that: copper core (1) outside parcel has insulating skin (2), insulating skin (2) outside sliding connection has solid fixed ring (3), gu fixed ring front end central authorities department fixed connection elasticity reinforcing bar (4), gu fixed ring (3) outside is through connecting rod fixedly connected with fire-retardant layer (5), fire-retardant layer (5) outside fixedly connected with heat-resistant layer (6), evenly distributed has heat conduction stick (7) in heat-resistant layer (6), and heat conduction stick (7) and fire-retardant layer (5) sliding connection, heat-resistant layer (6) outside fixedly connected with parcel layer (8).

2. The flame-retardant high-temperature-resistant cable according to claim 1, wherein: and a plurality of strands of cables consisting of the copper cores (1) and the insulating sheaths (2) are annularly arranged in the flame-retardant layer (5) through the fixing rings (3).

3. The flame-retardant high-temperature-resistant cable according to claim 1, wherein: the diameter of the circular ring on the fixing ring (3) is equal to that of the insulating sheath (2).

4. The flame-retardant high-temperature-resistant cable according to claim 1, wherein: the heat-resistant coating is characterized in that heat dissipation holes (9) are uniformly formed in the wrapping layer (8), filter screens (10) are fixedly connected in the heat dissipation holes (9), and the filter screens (10) are in sliding connection with the heat-resistant layer (6).

5. The flame-retardant high-temperature-resistant cable according to claim 1, wherein: the elastic reinforcing strip (4) is made of a TPE plate.